Answer:
7
Step-by-step explanation:
Substitution then simplify
1,500 grams is equal to 1.5 kilograms
Answer: x= 5
Step-by-step explanation: If angles 1 and 2 are supplementary, that means they add up to 180. So if angle 1 is 87, angle 2 has to be 180-87=93. Then the equation would be 15x+18=93. Subtract 18 on both sides. 15x=75. Divide by 15 and your answer is 5.
Answer: perpendicular lines
Step-by-step explanation:
look up "Two straight lines that intersect at a right angle"
